tor-browser

The Tor Browser
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rcnetio.h (3046B)

      1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* This Source Code Form is subject to the terms of the Mozilla Public
      3 * License, v. 2.0. If a copy of the MPL was not distributed with this
      4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      5 
      6 /*
      7 ** Subclass definitions for network I/O (ref: prio.h)
      8 */
      9 
     10 #if defined(_RCNETIO_H)
     11 #else
     12 #define _RCNETIO_H
     13 
     14 #include "rcbase.h"
     15 #include "rcinrval.h"
     16 #include "rcio.h"
     17 #include "rcnetdb.h"
     18 
     19 #include "prio.h"
     20 
     21 class RCFileInfo;
     22 
     23 /*
     24 ** Class: RCNetStreamIO (ref prio.h)
     25 **
     26 ** Streamed (reliable) network I/O (e.g., TCP).
     27 ** This class hides (makes private) the functions that are not applicable
     28 ** to network I/O (i.e., those for file I/O).
     29 */
     30 
     31 class PR_IMPLEMENT(RCNetStreamIO): public RCIO
     32 {
     33 
     34 public:
     35    RCNetStreamIO();
     36    virtual ~RCNetStreamIO();
     37 
     38    virtual RCIO*       Accept(RCNetAddr* addr, const RCInterval& timeout);
     39    virtual PRInt32     AcceptRead(
     40        RCIO **nd, RCNetAddr **raddr, void *buf,
     41        PRSize amount, const RCInterval& timeout);
     42    virtual PRInt64     Available();
     43    virtual PRStatus    Bind(const RCNetAddr& addr);
     44    virtual PRStatus    Connect(
     45        const RCNetAddr& addr, const RCInterval& timeout);
     46    virtual PRStatus    GetLocalName(RCNetAddr *addr) const;
     47    virtual PRStatus    GetPeerName(RCNetAddr *addr) const;
     48    virtual PRStatus    GetSocketOption(PRSocketOptionData *data) const;
     49    virtual PRStatus    Listen(PRIntn backlog);
     50    virtual PRInt16     Poll(PRInt16 in_flags, PRInt16 *out_flags);
     51    virtual PRInt32     Read(void *buf, PRSize amount);
     52    virtual PRInt32     Recv(
     53        void *buf, PRSize amount, PRIntn flags,
     54        const RCInterval& timeout);
     55    virtual PRInt32     Recvfrom(
     56        void *buf, PRSize amount, PRIntn flags,
     57        RCNetAddr* addr, const RCInterval& timeout);
     58    virtual PRInt32     Send(
     59        const void *buf, PRSize amount, PRIntn flags,
     60        const RCInterval& timeout);
     61    virtual PRInt32     Sendto(
     62        const void *buf, PRSize amount, PRIntn flags,
     63        const RCNetAddr& addr,
     64        const RCInterval& timeout);
     65    virtual PRStatus    SetSocketOption(const PRSocketOptionData *data);
     66    virtual PRStatus    Shutdown(ShutdownHow how);
     67    virtual PRInt32     TransmitFile(
     68        RCIO *source, const void *headers,
     69        PRSize hlen, RCIO::FileDisposition flags,
     70        const RCInterval& timeout);
     71    virtual PRInt32     Write(const void *buf, PRSize amount);
     72    virtual PRInt32     Writev(
     73        const PRIOVec *iov, PRSize size,
     74        const RCInterval& timeout);
     75 
     76 private:
     77    /* functions unavailable to this clients of this class */
     78    RCNetStreamIO(const RCNetStreamIO&);
     79 
     80    PRStatus    Close();
     81    PRStatus    Open(const char *name, PRIntn flags, PRIntn mode);
     82    PRStatus    FileInfo(RCFileInfo *info) const;
     83    PRStatus    Fsync();
     84    PRInt64     Seek(PRInt64 offset, RCIO::Whence how);
     85 
     86 public:
     87    RCNetStreamIO(PRIntn protocol);
     88 };  /* RCNetIO */
     89 
     90 #endif /* defined(_RCNETIO_H) */
     91 
     92 /* RCNetStreamIO.h */